(5%) Problem 16: A car moves to the right at constant acceleration, starting fro

Question

(5%) Problem 16: A car moves to the right at constant acceleration, starting from rest. In the figure the position of the car is shown at 0.85 s time intervals, and the tick marks on the x- axis are a distance 3.2 m apart ©theexpertta.com 50% Part (a) What is the acceleration of the car, in meters per second squared? Correct Answer a = 8.858 Correct Final Grade 92% Student Answer a = 8.86 Grade Detail Student Feedback Final Answer Credit 100 50% Part (b) If the car continues to travel at this acceleration, what will be its displacement, in meters, from its initial position after a total of 14 s? Grade Summary Deductions Potential x = ( 8.86 * 14 )/21 8% 92% 78 9HOME sinO cotan atan) acotanO si cosh)tanhO Submissions Attempts remaining: 3 (4%% per attempt) detailed view cos) acosO sinhO cotanhO 4% 4% 0 END Degrees O Radians O BACKSPACE EL CLEAR Submit Hint I give up! Hints: 4% deduction per hint. Hints remaining: Feedback: 5% deduction per feedback

Explanation / Answer

Part b)

According to second kinematical equation, dispalcement is

S = ut + (1/2)at2

But u = 0 and a = 8.86 m/s^2

So ,

S = (1/2)at2

= (1/2)*8.86*(14)2

= 868.28 m

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